Answer:
AC ≈ 9.52 m
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos15° = [tex]\frac{BC}{AC}[/tex] = [tex]\frac{9.2}{AC}[/tex] ( multiply both sides by AC )
AC × cos15° = 9.2 ( divide both sides by cos15° )
AC = [tex]\frac{9.2}{cos15}[/tex] ≈ 9.52 m ( to 3 sf )
